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Finding the Fourth Proportional to 89,229.61, 133,864.22 and 26,895.61

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Solution

The fourth proportional to 89,229.61, 133,864.22 and 26,895.61 is: 40,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.61 : 133,864.22 = 26,895.61 : x
  2. Step 2: Convert to fraction form
    89,229.61/133,864.22 = 26,895.61/x
  3. Step 3: Cross multiply
    89,229.61x = 133,864.22 × 26,895.61
  4. Step 4: Simplify right side
    89,229.61x = 3,600,359,854.07
  5. Step 5: Solve for x
    x = 3,600,359,854.07/89,229.61
  6. Step 6: Final answer
    x = 40,349.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.